Improvement in feed-gages



UNITED STATES PATENT OFFICE.

sAMUnt. P HALLEOK, on ORISKANY, NEW YORK.

IMPROVEMENT IN FEED-GAGES.

Specification forming part of Letters Patent N0. 204,967, dated June 18, 1878; application filed April 5, 1678.

To all whom it may concern.-

Be it known that I, SAMUEL P. HALLECK, of Oriskany, in the county of Oneida and State of New York, have invented a new and Improved Platen-Gage, of which the following is a specification:

In the accompanying drawing, Figure 1 represents a top view of a platen with my improved gage. Fig. 2 is a vertical longitudinal section of the same on line w m, Fig. 1. Fig. 3 is a detail vertical central section on line y y, Fig. 2, of the clamp for securing the fingerbar of the gage; and Fig. 4 is a detail vertical transverse section of the finger-bar and end gage on line 2 2, Fig. 1.

Similar letters of reference indicate corresponding parts.

The object of this invention is to furnish for the platen of printing-presses an improved gage by which the pinholes in the blanket are done away with, and the end and side gages readily adjusted to the paper to be printed'on the press.

Referring to the drawing, A represents a platen of the usual construction as used on printing-presses, and B the adjustable fingerbars, that are secured by their slotted ends to raised central shoulders or ribs a of split nuts (J, the finger-bars being rigidly clamped to the split nuts by a clamp-disk and screw-socket, I), as shown clearly in Fig. 3. When the finger-bars are attached to the adjustingnuts O, the same are secured at right angles to the sides or" the platen, and parallel to the longer sides of the same.

The split adjusting-nuts are guided along fixed smooth rods E at the sides of the platen, and readily adjusted to a nicety by screw-rods E, that turn in end bearings of projecting side lugs of the platen. The split nuts are tightly clamped to the guide and screw-rods by thumb-nuts, the split nuts admitting the quick adjustment of the finger-bars and the clamping of the same into position, while the screw-rods admit the adjustment of the fingerbars on the platen into the exact position required, with the least possible delay, after the clamping-screws have been tightened.

The fin ger-bars are provided with a middle raised portion, having a series of side perforations, b, through which the pin-shaped shanks ot' the side and end gages F are placed, they being readily adjusted to the size of the paper to be printed.

In place of the perforated fin ger-bars, a small longitudinal screw-rod may be used at the inside of the finger-bars for adjusting the gages. The finger-bars can be quickly removed by loosening the clamping device by which they are secured to the split nut, so that a new blanket may be put on the platen.

Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. The combination, with a platen, of fingerbars, split clamp-nuts, and plain and threaded guide-rods at the sides of the platen, substantially as and for the purpose specified.

2. The clamp-disk and screw-socket D, rod E, and screw E, combined with the fin ger-bar B and split nut O, as and for the purpose specified.

SAMUEL P. HALLEOK.

Witnesses:

GEORGE H. GRAHAM, DATUS WOODWARD. 

